WN1580 HoustonHOU · 10:00 San AntonioSAT · 06:00
WN1580 by Southwest Airlines flies from Houston (HOU) to San Antonio (SAT).
scheduled from HOU
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at HOU and SAT are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at HOU
ForecastTue 3 Nov, local date
- 37% chance of thunder
- 82% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at SAT
ForecastTue 3 Nov, local date
- 71% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Houston to San Antonio flights today
same route · Southwest AirlinesIf WN1580 is cancelled, these are the other Southwest Airlines nonstop flights from Houston to San Antonio on the same day, with scheduled departure times in HOU local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How WN1580 actually runs
Pro Flight Search has tracked every published board update for WN1580 across the HOU and SAT boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN1580 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as HOU and SAT published them.
Planning around WN1580? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: WN1580 Houston to San Antonio on-time performance, measured from the HOU and SAT airport boards.
https://proflightsearch.com/flight/WN1580
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